<template>
	<view>
		<view class="goods-list">
			<view v-for="(goods,index) in goodsList" :key="index" @click="gotoDetail(goods)">
				<my-goods :goods="goods"></my-goods>
			</view>
		</view>
	</view>
</template>

<script>
	export default {
		data() {
			return {
				//请求参数对象
				queryObj:{
					//查询关键词
					query:'',
					// 商品分类id
					cid:'',
					pagenum:1,
					pagesize:10
				},
				// 存放商品数据
				goodsList:[],
				// 分页
				total:0,
				//节流阀，false表示没有请求数据
				isloading:false
			};
		},
		onLoad(options) {
			
			this.queryObj.query=options.query||''
			this.queryObj.cid=options.cid||''
			this.getGoodsList()
			// console.log(this.queryObj)
		},
		methods:{
		gotoDetail(goods){
			uni.navigateTo({
				url:'/subpkg/goods_detail/goods_detail?goods_id='+goods.goods_id
			})
		},
			//获取商品列表数据的方法
			async getGoodsList(cb){
				// 表示正在请求数据
				this.isloading=true
				const {data:res} = await uni.$http.get('/api/public/v1/goods/search',this.queryObj)
				// 数据完成请求
				this.isloading=false
				cb&&cb()
				if(res.meta.status!=200) return uni.$showMsg()
				this.goodsList=[...this.goodsList,...res.message.goods]
				this.total=res.message.total
			}
		},
		onReachBottom(){
			if(this.queryObj.pagenum*this.queryObj.pagesize>=this.total) return uni.$showMsg('数据加载完毕')
			//先判断节流阀
			if(this.isloading) return
			// 让页码值自增加一
			this.queryObj.pagenum++
			this.getGoodsList()
		},
		onPullDownRefresh(){
			// 重置关键数据
			this.queryObj.pagenum=1
			this.total=0
			this.isloading=false
			this.goodsList=[]
			// 重新发起请求
			this.getGoodsList(()=>uni.stopPullDownRefresh())
		}
	}
</script>

<style lang="scss">

</style>
